A Series of Polyoxometalate‐Viologen Photochromic Materials for UV Probing, Amine Detecting and Inkless and Erasable Printing

Ying, Jun; Jin, Liang; Sun, Chenxi; Tian, Aixiang; Wang, Xiuli

doi:10.1002/chem.202103268

Cited by 48 publications

(32 citation statements)

References 43 publications

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“…[105] In this work, the viologen color-changing materials and their derived applications will be elaborated according to the types of external stimuli. [98] (b) Double interpenetrating structure of compound 1. [98] (c) Molecular structure of compound 2.…”

Section: Chromismmentioning

confidence: 99%

Section: Chromismmentioning

confidence: 99%

“…[106] (d) Color change of compound 1 before and after photochromism. [98] (e) Flexibility of M-1. [98] (f) Color changes of 1 + @β-CD and 2 2 + @β-CD 2 under Xe lamp irradiation.…”

Section: Photochromismmentioning

confidence: 99%

“…[108] Reprinted with permission from Ref. [106] (Copyright 2016, Royal Society of Chemistry), [98] (Copyright 2021, Wiley Online Library, [107] (Copyright 2021, American Chemical Society), [108] (Copyright 2021, Royal Society of Chemistry).…”

Section: Photochromismmentioning

confidence: 99%

“…Figure 9. (a) Molecular structure of compound 1 [98]. (b) Double interpenetrating structure of compound 1 [98].…”

mentioning

confidence: 99%

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Applications of Viologens in Organic and Inorganic Discoloration Materials

Ying

Tian

2022

ChemPlusChem

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Viologen derived from 4,4’‐bipyridine has attracted much attention because of its color changing properties with electron transfer, unique redox stability and structural diversity. These characteristics have led to its successful use in various applications, in particular in color‐changing materials. In the past few years, researchers have been working on the syntheses of viologen‐based color‐changing functional materials, and such materials have been widely used in many fields. In photochromic materials, it is used as anti‐counterfeiting material; in thermochromic, it is used as memory storage material, and in electrochromic, it is used as a battery material. This Review discusses the progress of viologen in organic and inorganic discoloration materials in recent years. The syntheses of viologen and its derivatives are summarized, and its application in the field of discoloration materials is introduced.

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Section: Chromismmentioning

confidence: 99%

Section: Chromismmentioning

confidence: 99%

“…[106] (d) Color change of compound 1 before and after photochromism. [98] (e) Flexibility of M-1. [98] (f) Color changes of 1 + @β-CD and 2 2 + @β-CD 2 under Xe lamp irradiation.…”

Section: Photochromismmentioning

confidence: 99%

Section: Photochromismmentioning

confidence: 99%

“…Figure 9. (a) Molecular structure of compound 1 [98]. (b) Double interpenetrating structure of compound 1 [98].…”

mentioning

confidence: 99%

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Applications of Viologens in Organic and Inorganic Discoloration Materials

Ying

Tian

2022

ChemPlusChem

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Color‐Changing Paints Enabled by Photoresponsive Combinations of Bio‐Inspired Colorants and Semiconductors

Martin,

Flynn,

Kim

et al. 2023

Advanced Science

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Modern paints and coatings are designed for a variety of applications, ranging from fine art to extraterrestrial thermal control. These systems can be engineered to provide lasting color, but there are a limited number of materials that can undergo transient changes in their visual appearance in response to external stimuli without requirements for advanced fabrication strategies. The authors describe color‐changing paint formulations that leverage the redox‐dependent absorption profile of xanthommatin, a small‐molecule colorant found throughout biology, and the electronic properties of titanium dioxide, a ubiquitous whitening agent in commercial coatings. This combination yields reversible photoreduction upon exposure to sunlight, shifting from the oxidized (yellow) form of xanthommatin, to the reduced (red) state. The extent of photoreduction is dependent on the loading density and size of titanium dioxide particles, generating changes in hue angle as large as 77% upon irradiation. These coatings can be blended with non‐responsive supplemental colorants to expand the accessible color palette, and irradiated through masks to create transient, disappearing artwork. These formulations demonstrate energy‐efficient photochromism using a simple combination of a redox‐active dye and metal oxide semiconductor, highlighting the utility of these materials for the development of optically dynamic light‐harvesting materials.

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Zero‐Dimensional Sn‐Based Enantiomeric Phase‐Transition Materials with High‐Tc and Dielectric Switching

Huang

Ying

Zhao

et al. 2023

Chemistry A European J

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The combination of chirality and phase transition materials has broad application prospects. Therefore, based on the quasi‐spherical theory and the thought strategy of introducing chirality, we have successfully synthesized a pair of chiral enantiomeric ligand R/S‐triethyl (2‐hydroxy‐propyl) ammonium iodide, which can be combined with tin hexachloride anion to obtain a pair of new organic‐inorganic hybrid enantiomeric high‐temperature plastic phase transition materials: R/S‐[CH3CH(OH)CH2N(CH2CH3)3]2SnCl6 (1‐R/1‐S), which has a high temperature phase transition of Tc=384 K, crystallized in P21 chiral space group at room temperature, and has obvious CD signal. In addition, compound 1‐R and 1‐S also has good low‐loss dielectric switch and broadband gap. This work is conducive to the research of chiral high‐temperature reversible plastic phase transition materials, and promotes the development of multi‐functional phase transition materials.

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A Series of Polyoxometalate‐Viologen Photochromic Materials for UV Probing, Amine Detecting and Inkless and Erasable Printing

Cited by 48 publications

References 43 publications

Applications of Viologens in Organic and Inorganic Discoloration Materials

Applications of Viologens in Organic and Inorganic Discoloration Materials

Color‐Changing Paints Enabled by Photoresponsive Combinations of Bio‐Inspired Colorants and Semiconductors

Zero‐Dimensional Sn‐Based Enantiomeric Phase‐Transition Materials with High‐Tc and Dielectric Switching

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